Home / 8,170,459.20-12,254,376.60-2,489,362.20

Finding the Fourth Proportional to 8,170,459.20, 12,254,376.60 and 2,489,362.20

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Solution

The fourth proportional to 8,170,459.20, 12,254,376.60 and 2,489,362.20 is: 3,733,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,459.20 : 12,254,376.60 = 2,489,362.20 : x
  2. Step 2: Convert to fraction form
    8,170,459.20/12,254,376.60 = 2,489,362.20/x
  3. Step 3: Cross multiply
    8,170,459.20x = 12,254,376.60 × 2,489,362.20
  4. Step 4: Simplify right side
    8,170,459.20x = 30,505,581,892,604.52
  5. Step 5: Solve for x
    x = 30,505,581,892,604.52/8,170,459.20
  6. Step 6: Final answer
    x = 3,733,643.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.